3:30 pm: First CCSO unit arrives at the scene, 1 minute and 12 seconds after call was dispatched.

3:51 pm: CCSO finds Roberts dead from self-inflicted gunshot wound.

The Sheriff did not find a motive for the shooting. Roberts had no criminal history, no history of mental illness or violence, no relationship to any victim or ties to the mall. A few other details from the report:

Roberts had smoked marijuana in the hour before the shooting. Traces of cocaine (used 36-48 hours before) were also found in his system.

Roberts’s roommates called the CCSO Tip Line at 7:03 pm, having found empty AR-15 ammo boxes in Roberts’s room. They left Jacob Roberts’s name with CCSO.